Two-tailed surfactants having one aromatic containing tail and t

Details Two-tailed surfactants having one aromatic containing tail and t Two-tailed surfactants having one aromatic containing tail and t

Filed on

1982-08-31

Date issued

1985-05-14

Examiner

Siegel, Alan

Patent Class

Chemistry of carbon compounds

SubClass

Miscellaneous organic carbon compounds

SubSubClass

C-metal

Other Related Categories

260512R, 260457, 252 855D, C07C14102, C07C14342

Type

Patent

Status

active

Patent number

045171289

Description

ABSTRACT:
(Branched alkyl)-polyethoxyalkyl sulfonates, and similar compounds wherein the alkyl sulfonate moiety is replaced by a sulfate moiety, having an aromatic group on one of the branches of the branched alkyl group are provided. These compounds are surfactants which are particularly useful for chemical waterflooding, especially in high brine environments.

REFERENCES:
patent: 3529040 (1970-09-01), Rinkler et al.
patent: 3619123 (1971-11-01), Walz
patent: 3875202 (1975-04-01), Steckler
patent: 4153575 (1979-05-01), Kalfoglou
patent: 4233166 (1980-11-01), Allen
patent: 4283321 (1981-08-01), Chakrabarti

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